19963320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 45838920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 191, 195, 201, 260, 268, 312, 335, 382, 390, 402, 520, 536, 573, 670, 764, 780, 804, 871, 955, 1005, 1146, 1340, 1528, 1560, 1608, 1742, 1910, 2010, 2292, 2483, 2613, 2680, 2865, 3484, 3820, 4020, 4355, 4584, 4966, 5226, 5730, 6968, 7449, 7640, 8040, 8710, 9932, 10452, 11460, 12415, 12797, 13065, 14898, 17420, 19864, 20904, 22920, 24830, 25594, 26130, 29796, 34840, 37245, 38391, 49660, 51188, 52260, 59592, 63985, 74490, 76782, 99320, 102376, 104520, 127970, 148980, 153564, 166361, 191955, 255940, 297960, 307128, 332722, 383910, 499083, 511880, 665444, 767820, 831805, 998166, 1330888, 1535640, 1663610, 1996332, 2495415, 3327220, 3992664, 4990830, 6654440, 9981660, 19963320]

約数ペア:

[(1, 19963320), (2, 9981660), (3, 6654440), (4, 4990830), (5, 3992664), (6, 3327220), (8, 2495415), (10, 1996332), (12, 1663610), (13, 1535640), (15, 1330888), (20, 998166), (24, 831805), (26, 767820), (30, 665444), (39, 511880), (40, 499083), (52, 383910), (60, 332722), (65, 307128), (67, 297960), (78, 255940), (104, 191955), (120, 166361), (130, 153564), (134, 148980), (156, 127970), (191, 104520), (195, 102376), (201, 99320), (260, 76782), (268, 74490), (312, 63985), (335, 59592), (382, 52260), (390, 51188), (402, 49660), (520, 38391), (536, 37245), (573, 34840), (670, 29796), (764, 26130), (780, 25594), (804, 24830), (871, 22920), (955, 20904), (1005, 19864), (1146, 17420), (1340, 14898), (1528, 13065), (1560, 12797), (1608, 12415), (1742, 11460), (1910, 10452), (2010, 9932), (2292, 8710), (2483, 8040), (2613, 7640), (2680, 7449), (2865, 6968), (3484, 5730), (3820, 5226), (4020, 4966), (4355, 4584)]